Despite the performance prowess of the 351C heads, their weakness was cracking. ", When the engine was rebuilt, its original iron 2V heads were replaced with Airflow Dynamics (AFD) 351-2V aluminum castings. There are tons of benefits to running a downpipe upgrade on the Mustang EcoBoost. It had a taller block to accommodate the longer stroke, but there was never a performance version of the 400. 5.0 H.O 1-3-7-2-6-5-4-8 L410 V8 1-3-7-2-6-5-4-8 Check Out 350 TBI Firing Order What is the difference between the 351 Cleveland and the 351 Windsor engines? HIGH PERFORMANCE FORD 351C CLEVELAND COMPLETE READY TO RUN DISTRIBUTOR, WITH RED CAP. I know that the 460 made one, but remote mount. 351 Cleveland troubleshooting .can anyone help? Moreover, these AWD systems could cripple fuel efficiency. I had tab that cast into the housing by the cap that beat on in both directions. The heads had a lot in common with the heads introduced on the 429 in 1968. Posted December 2, 2019. Valve guides work alongside valve springs to ensure that the valve properly contacts the valve seat. The #8577 billet distributor is mechanical advance only and designed for high-revving applications. Although it's a roller, Comp manufactures the cam from a material compatible with stock distributor gears. 351Cs with two-barrel carburetors had larger ports and valves. This new dizzy wont even engage the gear no matter how many times I move the shaft and pinion. Or was it a different name? 351 Cleveland troubleshooting can anyone help? - YouTube There is only like 1/16"-1/32" to get it in. (This problem also exists with Duraspark distributors). Turns out there was a broken rocker on No. background-color:#FFFFFF; 518 red, 50ml tube, Pump, engine oil, standard-pressure/volume, FILTER, engine oil, performance, 22-psi relief-valve (used after break-in), LUBRICANT, camshaft break-in and engine assembly, 4oz container, OIL, engine, Rotella 15W-40, 1qt bottle (used after break-in), GEAR, distributor driven, carbon ultra-poly composite, Ford 335-385 series engines. By following these steps, you can troubleshoot ignition problems on a Ford 351 Cleveland engine and determine the cause of the issue. I have had more than one very knowledgable Ford engine builder tell me to let the oil get good and warm before you stand on it. Here are some tips so you can easily set the gap on your points. 01-18-2015, 07:26 PM. Why does the firing order of 351 Cleveland matter? 351W and Cleveland weight the same, no cracking unless its hot it gets hot because a SCB guy forgets to put the restrictor in for the thermostat and they out flow all factory heads except the Hemi and the Boss 429. 351 cleveland problems - Ford Truck Enthusiasts Forums Some may not like the direction Ford went with using the EcoBoost engine in the Raptor. Its a matter of changing spring tension and and/or bushings. When the heat range is exceeded the metal forms microscopic cracks in the heads which then worsen from internal engine pressure and further heat, leading to significant performance implications. Additionally, the cooling systems on these cars are not adequate for significant power and will need to be upgraded for performance applications. Ford 351c Cleveland Ready to Run Complete Distributor 6706-r Red Both intake and exhaust valves were tilted on two different planes, allowing large diameters, smoother port transitions, and greater flow of coolant between the valves. After break-in, he final-filled the engine with "the good stuff": Rotella 15W-40 diesel oil that still has lots of anti-scuff ZDP agents (although they're not strictly needed with a roller cam), plus a premium Motorcraft performance oil filter whose bypass valve opens at a higher pressure than the valve in standard-replacement filters. No matter the manufacturer, there is almost always an all-wheel drive (AWD) option for most platforms. The 351 Cobra Jet was gone, at least in name. Danny, I would like to baseline the throttle plate position for the primaries. The thermostat sits between the engine and the radiator. The people at Price Motorsports told me that a 351W distributor would fit the 351-400, all you have to do is change out the gear. As Mays tells it, "One day I was driving down the freeway. The distance from the distributor housing mount (against the block) to the bottom of the distributor gear on Mays' Mallory distributor was compared to that on a standard-replacement, parts-store Ford distributor and checked. The engine is part of Fords 335 engine family, which is a group of 90 degree, overhead valve, V8 engines. In fact, I just replaced my radiator, tubes and hoses after I had a cracked cylinder head only to find that the previous owner had removed the bypass plate. Additionally, do not remove the restrictor plate when you swap the thermostat. It replaces vacuum and mechanical advance with precision electronic accuracy. By logging into your account, you agree to our. The 429 Cobra Jet and 429 Cobra Jet Ram Air replaced the 428 Cobra Jet as the top engine option for 1971, but the only Boss Mustang offered would be the Boss 351, built and badged around the new 351C engine. "It's a true Mach 1," Mays says proudly. If you liked this article you will LOVE the full book. In concept, the 351W was an extension of the 289/302 design, though the block was larger and not much was directly swappable. They were 351 (5.8) and 302 (4.9) which were both manufactured up until 1982, and were still used in trucks until 1985. This product does not have any reviews yet. Overheating is the most common cause of cracked heads in the 351C engine. That's not recommended on Ford street engines. } Official Ford Racing literature states that "running a high-volume oil pump with production bearing clearances can cause abnormally high oil pressures and possible premature distributor gear wear." Street engines should be equipped with distributors that have a vacuum advance, which operates on throttled vacuums offering initial spark advance during startup and acceleration. The carburetor looked like any other Autolite 4300, but the Boss used a 4300-D with the spread-bore patternsmaller primaries and larger secondaries. The cooling systems thermostat is responsible for monitoring engine temperatures and controlling the flow of coolant. MSD distributors have a tunable mechanical advance so you can swap springs and bushings to get total timing dialed in. Does not include miscellaneous small parts, labor, tuning, shipping, or sales taxes. Distributor problems??? - Ford Truck Enthusiasts Forums Little or no shaft endplay: This has been found with both new and remanufactured distributors. Boss 351 heads were machined for threaded 7/16-inch rocker pedestals (production 351s used pressed-in 5/16 studs), and the valves were fitted with hardened, single-groove valve keepers. Does anyone know where I can find one? 351 Cleveland, breaks distributor gear! - Club Cobra These changes, teamed with the Cleveland's ample ports and valves, really gave the Boss 351 a mean streak. An MSD billet distributor gets the once over on a distributor machine. The Hi-6 works with nearly any kind of ignition, including Cranes own Pro-Curve distributors. Made of 6061-T6 billet aluminum, Crane Pro-Curves can be tuned without removing the distributor cap. Help, I have 1 70 351 C, 4 bolt main, 4V, Competition Cam 280 duration, 530 lift. If it's your own car, keep detailed records in the first place: Consider assembling a notebook containing a parts list, build sheets, and problem history. Confused. New edelbrock carb, new plugs, new wires, malory hei distributor, high volume mechanical fuel pump. Like a rearend ring-and-pinion, you want the wear pattern in the center. Excessive oil consumption coupled with the exhaust smoke is the second best tell-tale sign. OIL, engine, Havoline 10W-30, 1qt bottle (used for break-in), Camshaft, Magnum retrofit hydraulic-roller, 290HR, 2,5006,000 rpm operating range, Lifter Set, hydraulic roller, small-block Ford 0.875 od, paired retrofit-type w/ vertical link-bar, Lock Set, retainer-to-valve, Super Lock 10, 1 groove, 1132 valve stem, +0.050 installed height, Pushrod Set, Hi-Tech chrome-moly, heat-treated, seamless, 516 od x 7.850 ol x 0.080 wall, Retainer Set, valvespring, 10, 4140 chrome-moly steel, 1.095 od x 0.440 id, for 26120 spring, Timing Set, Hi-Tech, double-roller, 3-keyway, +4 advance/retard, Valvespring Set, single beehive configuration, 370 lb/in rate, Paint, enamel w/ ceramic resin, gloss Ford blue, 12oz aerosol can (for engine touch-up), Gasket Set, exhaust header, 351C-2V, 1.56 x 1.98 ports, perforated steel core w/ antistick coating, Gasket Set, intake manifold, 351C-2V, 1.50 x 2.12 port size, 0.060 thk, composite w/ Printoseal, Gasket Set, oil pan, 0.094 thk, rubber-coated fiber, Gasket Set, timing cover, blue stripe cork/rubber, Eccentric, camshaft mechanical fuel pump drive, inner half w/ locking tab, Sealant, anerobic gasket-maker and flange-filler No. Archive - Tri-Fives and Classic Trucks Hit the Coast: Huge Cruise Gallery! That, with new flat-top pistons, dropped the compression ratio 2.5 points to 8.8:1. Each Duraspark distributor is capable of 10,000 rpm, though I suggest not going there. What is the firing order for old 351 Cleveland engines? 2,061 satisfied customers. Two types are available: #1000-1604 large cap (shown) and #1000-1605 small cap. very very good information thanks i have a 1970 mach 1 w a 351 cleveland cross bolt main w/87000 miles on it can you send or put info on it thank you, This is not exactly correct information coming from a Cleveland enthusiast who has built several of them. The 1971 and 1972 351 H.O. Because of the move to net horsepower standards, ratings changed by car. I tried a friend's MSD billet distributor for non roller application (shaft is considerably shorter) and it seated perfectly. By 1974, performance was over. Copyright 2022 Holley Performance Products, Inc. All right reserved. You will receive the correct distributor for your application. engines got many valvetrain upgrades, including: larger-diameter, threaded rocker studs; hardened pushrods; guide plates; hardened, single-groove valve keepers; higher-rate valve springs; steel spring base; and hotter, solid-lifter cam. One-year warranty on this unit, regardless of street or strip use. Unfortunately, theres not much good to say about Ford distributors because theyre just not up to the job of high-RPM use. No problems were observed.". ", Several decades old, Mays' existing cam turned out to be an ancient Comp Cams' flat-tappet hydraulic, thatlike any proferal iron flat-tappet camis compatible with standard OE-style distributor gears (not the bronze gear that had been installed). Many AWD systems came onto the market in the 1990s. You will know that the engine is firing in the right sequence when the spark plug wires are disconnected, which occurs, for example, when spark plugs are being replaced. This is because there will be a huge decrease in the amount of vibration felt throughout the whole engine. The 351 story begins with the 1969 351 Windsor, a tall-deck spinoff of the world-beating 289/302. Premium caps with brass terminals and a low-saturation ignition module, True spark alignment for instantaneous response at high RPM, FORD 351C CLEVELAND READY TO RUN COMPLETE DISTRIBUTOR 6706-R RED. It can be installed in 30 minutes and can rev up to 8,000 rpm. The Boss 351 Mustang was dropped, but the Boss 351 engine was carried over mostly intact, only under the 351 H.O. Scott Mays purchased his 1970 Mustang Mach 1 with a 351 Cleveland (351C) engine through Craigslist. It turns out that due to the previous parts breakage, "Mays had flushed the oil system three times," which probably saved the motor. A Mallory distributor lights the spark. Engine Differences: The most obvious external difference is the engine valve covers. Cleveland's Forever Network54 351C > Archived Posts going 2001-2018 > Rebuilt 351C, missing, backfiring. This allows for larger bore sizes and greater displacement. On the 351C, the difference extended beyond the carb and intake manifold. Anyway, lets jump in and discuss the 351 Cleveland issues and then finish up with thoughts on overall reliability. The 1973 Ford Car Facts dealer album mentioned these highlights: Horsepower and torque specs were unpublished in both the 1973 and 1974 Ford Car Facts dealer albums. All you have to do is provide coil power. The Autolite/Motorcraft distributor family consists of distributors with bronze bushings, with some having only one bushing and others having two. This is a high-performance street distributor engineered and manufactured for ease of use with an easy to access and adjust mechanical advance and a vacuum advance you can adjust with a simple Allen wrench. This is primarily a racing distributor, though it can be used for street. Could you comment on which thermostat temp you would recommend? This means the very popular 1970 351 Cleveland and 1973 Mustang 352 Cleveland firing order is also 1-3-7-2-6-5-4-8. This means that this engine is a V8 engine with 8 cylinders. Aftermarket steel billet cams may have a non-friendly gear on them, but as far as we know, factory Ford engines have never had a gear compatibility problem regardless of what type cam they have. This allowed for slightly larger valve diameter and smoother bends in the port contours. Wrong driven-gear height: Some new and remanufactured distributors may have the gear installed at the wrong height. Having observed debris flaking off the damaged gears, Revis checked to see if the rod and main bearings were OK. "We dropped the Milodon replacement oil pan, then pulled the main and rod caps. Metal expands when its hot and contracts when its cool. Your email address will not be published. excessive end shaft playbushing wear work or cracked cap and buttonweak modulecorrosion build-upweakened advance springsgear wearIf going from points to the electronic . Radiator hose is a 90 hose that connects directly to the top front of the engine block. There are three basic MSD units: billet, billet with a vacuum advance, and programmable E-Curve. After running into production capacity limitations at the Windsor plant, Ford began producing the 351 engines in the Cleveland plant. This page was generated at 04:26 PM. they are available with 160, 180, 195 Fahrenheit. All car makers have dramatically improved the ignition systems on cars and trucks. Contact Us - Cranes line of ignition enhancers include the #6000-6040 Fireball Hi-6 multi-spark capacitive discharge that can withstand up to 14.0:1 compression. Here are a few problems you are likely to encounter when using an old distributor. Are you restoring or rebuilding a Ford distributor for a 1965-1973 Mustang? SloWave. The Super Coil is much more than the OEM model. Here are a few problems you are likely to encounter when using an old distributor. Previously available for more "mainstream" engines, poly-carbon gears have gained a following due to their light weight, no break-in requirement, andmost importantly, in this casecompatibility with any cam billet material. If anything, they are most likely the older version. The Mallory Unilite #4756701 dual-advance distributor with mechanical and vacuum advance is primarily for street use. Using the correct spark plugs can ensure a smooth operation of the Ford 351C if the firing sequence is followed. Exhaust manifolds, long a bottleneck on Ford engines, were addressed on the 351C. Need A 351 Cleveland TFI Distributor. As if the waters weren't muddy enough, 1972 brought yet another shuffling of the 351 landscape. a buddy just went through this nightmare in a mustang with a C. YES! The Boss 302 is a Cleveland head on a 302, The Cleveland engine was manufactured in part in Australia at the Ford Geelong plant in Victoria from 1972, and in 1975 they were fully made here. It is the no. The November 11, 1972, Lincoln-Mercury Product News Bulletin explained: "the new rating procedure results in minor power rating differences when the same engine is used in different car lines. Dec 21, 2008 I'm having some issues with the 351C in my 1970 Mach1, that I hope somebody can help me with because it is driving me Nuts. Always check that the terminals are clean and tight. Bone stock the 351 Cleveland is a stout engine and likely shouldnt have any issue with cracked heads, blocks, main bearings, internals, etc. I hope to motivate, support and build a community of garage and restoration enthusiasts. Check with the company that made the cam if you're not sure. From the above link, I see no attachment from the module to the Hall-Effect sensor in the distributor cap body. .hdr { Our distributor has never had compatibility problems with these type gears. Apparently for reasons that are completely beyond me, that might be relatively common that people removed the bypass plate. The 351 Cleveland featured many advancements, especially in the cylinder heads, which were patterned after the 429. However, it's important to add a reminder that this is a 50 year old engine. system is your best choice. Feb 19, 2012 #1 OK guys I have started to work out my timing problems. I have liked high volume pumps in my Fords for many years and have yet sheared a pin. Cause: Lack of information on Ford 351 engine differences. Yet a closer look at the companys offerings reveals Pro-Curve Billet distributors for 351C, 351M, and 400-ci engines. Entre 209 et 409! Like the 289/302 predecessors, 351 Windsor heads have a little angle at the front and rear of the valve covers. It is important to emphasize the following points about the new 351 V-8 canted valve engines: 351 Clevelands firing order is 1-3-7-2-6-5-4-8. Cracked blocks is not an issue with stock 351C engines. Heads were the large-port four-barrel castings, but were now fitted with smaller, 2.04-inch intake and 1.65-inch exhaust valves. Knowing what the common issues are & understanding the options available to isolate & fix problems are the keys to success. No matter the manufacturer, there is almost always an all-wheel drive (AWD) option for most platforms. Valve size remained the same for 1972, but changes were coming for 1973 and beyond. The 351 Cleveland shares a lot of similarities with the 351 Windsor, despite belonging to different engine families. If going from points to the electronic ignition, this alone is a huge upgrade. Minimum reliable cylinder wall thickness on a 351 Cleveland is 0.12. I got it to drop to within .040" of the block. Also, the performance of these systems could be challenging to control with sensors and actuators. Black Ghost Hemi Challenger Street Racer Find a New Home, Biggest Chevy Engines: From New and Predictable to Downright Strange, How To Color-Sand and Buff Your New Paintjob, Wild Twin-Turbo Ram 1500 TRX Destroys Quarter-Mile E.T./Speed Records. One of the most common reasons behind why a manual transmission fails is lack of lubrication. Your email address will not be published. A modern and compact 289 small-block replaced the obsolete 292 Y-block in 1962, and was upsized to a 302 in 1968. From the cylinder centerline, intake valves leaned around 9 degrees toward the intake port and around 4 degrees to the side. The new 351, nicknamed the Cleveland after Ford's Engine Plant Number 2 where it was produced, was yet another completely new engine, from a completely new engine family they called the 335. Take care when assembling an engine comboso that it really performs as a combo. Ford Distributor Rebuild 1965-1973 | How to Restore A - YouTube Marti 1 of 7. (See Graphic 2). Using his analytical & observational skills, coupled with his extensive automobile knowledge, he articulates difficult car topics for various publications. Each engine has a 5/16" oil drive at the bottom of the shaft and a 1.557" diameter housing, measuring directly above or below the O-ring area. http://www.pricemotorsport.com/html/chronizer.html, http://www.rockauto.com/dbphp/x,cataFT_WPT196.html, http://documents.holley.com/catalog_y-ignition.pdf, http://www.yellowbullet.com/forum/sh0#post24664610, http://forums.holley.com/showthread.4989#post54989, http://www.460ford.com/forum/showthread.php?t=97062, http://www.therangerstation.com/techmote_tfi.shtml, http://performancedistributors.com/p-distributors/, https://www.rockauto.com/catalog/mor725&cc=1124211, http://forums.holley.com/showthread.0542#post50542, http://forums.holley.com/showthread.FI-Idle-Issues, If this is your first visit, be sure to Je souhaite achet un ranchero squire de 1970 , 5.8 L :M Cleveland , les carburateur ont t chang pour plus de puissance. Original plans were to continue the Boss 302 into 1971, but that was scratched in the last stages of development. Advertising - When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Crane offers this easy-to-install XR-I drop-in electronic ignition (#750-1700) for Autolite/Motorcraft distributors. Nowthe new perfect MSD distributor(8.39) is about 1.38 higher as the Holley(7.01) was.I cant close the hood. Use your Summit Racing SpeedCard today, and get 10% back - Get Details! Fords 351 Cleveland engine is a small-block 5.8L V8 produced from 1969 until 1974. This is a must for those wishing to upgrade the ignition system. Although vacuum advance helps fuel economy and acceleration, it also works hand in hand with the centrifugal advance any time you open the throttle as RPM increase. For perspective, 2.19 is also the size of intake valves on Chevrolet's revered 427 L88. Factory rated at 330 hp at 5,400 rpm, this new engine was the highest output that this engine family would see. In this guide,, Read More Best Ford Raptor Cold Air Intake UpgradesContinue, By 1990, the Ford plant in Windsor, Ontario Canada had produced 8.4 million Ford Windsor V8 engines in total.